positively regulates positive regulation of macromolecule biosynthetic process hemoglobin biosynthetic process regulation of hemoglobin biosynthetic process positive regulation of hemoglobin biosynthetic process Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin. GO:0046985 upregulation of hemoglobin biosynthetic process positive regulation of hemoglobin formation biological_process up regulation of hemoglobin biosynthetic process up-regulation of hemoglobin biosynthetic process positive regulation of hemoglobin biosynthesis stimulation of hemoglobin biosynthetic process activation of hemoglobin biosynthetic process positive regulation of hemoglobin anabolism positive regulation of haemoglobin biosynthesis positive regulation of haemoglobin biosynthetic process positive regulation of hemoglobin synthesis positive regulation of protein metabolic process biological regulation